Windows Nano Server 1809 · Version Status
Windows Nano Server 1809 End of Life Date
Windows Nano Server 1809 end-of-life date, support status, and CVE risk. Data reconciled from official vendor documentation and endoflife.date at every build; the source of each date is on the product page.
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Windows Nano Server 1809 is past end of life. This version no longer receives security patches. 2188 days past EOL — migrate to a supported version immediately.
EOL Date
Nov 10, 2020
2188 days past EOL
Latest Release
10.0.17763
Standard release
Release Date
Nov 13, 2018
Windows Nano Server 1809 series
Where these dates come from
End of lifeNov 10, 2020endoflife.date (open dataset) · endoflife.datemedium · 1 source agrees End of active supportNov 10, 2020endoflife.date (open dataset) · endoflife.datemedium · 1 source agrees ReleaseNov 13, 2018endoflife.date (open dataset) · endoflife.datemedium · 1 source agrees Confidence: high = two or more independent sources agree (the vendor's page read by our adapter, a person's check against the vendor, the dataset the date came from); medium = one; low = the vendor page disagrees or our last read is stale.
How we source dates.
Lifecycle detail
Windows Nano Server 1809 was released on November 13, 2018 and support ended on November 10, 2020 — a supported lifespan of 2 years, in line with the 1 year and 10 months median for Windows Nano Server releases. It was not an LTS release; Windows Nano Server reserves longer patch windows for its LTS releases. It has been past its end-of-life date for 6 years. 2 newer Windows Nano Server releases have shipped since.
Attack Surface
10/30 Medium tier
CISA KEV Exposure
0/20 Not in KEV
Extended Support
0/10 Available
EOL Risk Score™ — proprietary methodology by endoflife.ai. Factors: EOL recency, attack surface breadth, CISA KEV catalog presence, extended support availability. Updated at every build.
Methodology → ·
View score card →
Extended Support
Extended Windows Nano Server 1809 support options
Some vendors and third parties sell security patches beyond end of life; whether one covers this version varies. Compare your options.
Compare Options →
All Windows Nano Server Versions
| Version | Latest | EOL Date | Status |
|---|
| 1607 |
10.0.14393 |
Oct 9, 2018 |
EOL |
| 1709 |
10.0.16299 |
Apr 9, 2019 |
EOL |
| 1803 |
10.0.17134 |
Nov 12, 2019 |
EOL |
| 2019 LTS |
10.0.17763 |
Jan 9, 2029 |
Active |
| → 1809 |
10.0.17763 |
Nov 10, 2020 |
EOL |
| 1903 |
10.0.18362 |
Dec 8, 2020 |
EOL |
| 1909 |
10.0.18363 |
May 11, 2021 |
EOL |
| 2004 |
10.0.19041 |
Dec 14, 2021 |
EOL |
What does Windows Nano Server 1809 end of life mean?
When Windows Nano Server 1809 reaches end of life, the maintainers stop issuing security patches for this version. CVEs discovered after the EOL date are publicly disclosed on the National Vulnerability Database with no patch available. Exploit code frequently appears on GitHub within days of disclosure.
The CVE blind spot: A CVE-based scan does not show the ongoing accumulation of unpatched vulnerabilities in EOL software versions. Some scanners flag unsupported versions of common products, but coverage varies, and none of them give you the date in advance. Running Windows Nano Server 1809 past its EOL date creates a growing attack surface that a clean scan result does not rule out.
Migrate to Windows Nano Server 2025 or implement compensating controls — network segmentation, enhanced monitoring, restricted access — while migration is underway.
Frequently Asked Questions
When does Windows Nano Server 1809 reach end of life?
Windows Nano Server 1809 reached end of life on November 10, 2020. This version is no longer receiving security patches.
Is Windows Nano Server 1809 still supported?
No. Windows Nano Server 1809 reached end of life on November 10, 2020 and is no longer receiving security patches.
What should I upgrade to from Windows Nano Server 1809?
The recommended upgrade from Windows Nano Server 1809 is
Windows Nano Server 2025 — the latest actively supported version. Check the
Windows Nano Server full timeline for all supported versions.
What are the security risks of running Windows Nano Server 1809 past EOL?
Since Windows Nano Server 1809 reached end of life, the maintainers no longer issue security patches. Any CVEs disclosed after the EOL date accumulate with no vendor fix. A CVE-based scan does not show this — it is the CVE blind spot; some scanners flag unsupported versions of common products, but coverage varies and none give the date in advance. Organizations running EOL Windows Nano Server should migrate immediately or implement compensating controls.